Finding the Fourth Proportional to 326,187.74, 488,723.67 and 255,083.18
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Solution
The fourth proportional to 326,187.74, 488,723.67 and 255,083.18 is: 382,188.45
Step by Step Solution
- Step 1: Write the proportion equation
326,187.74 : 488,723.67 = 255,083.18 : x - Step 2: Convert to fraction form
326,187.74/488,723.67 = 255,083.18/x - Step 3: Cross multiply
326,187.74x = 488,723.67 × 255,083.18 - Step 4: Simplify right side
326,187.74x = 124,665,187,884.87 - Step 5: Solve for x
x = 124,665,187,884.87/326,187.74 - Step 6: Final answer
x = 382,188.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.